Arrow points are located on the file on gnuplot

Question

I know by this command I can create one arrow on gnuplot.

set arrow from 0,0 to 1,1

But the problem is this which I want to create a set of

Answer 1

You can plot with the with vectors style. With your data file, this would be:

plot "data" using 1:2:($3-$1):($4-$2) with vectors